善于学习的人，能够透彻地知道事情的道理；善于实践的人，能够把事情疑难之处弄清楚。

追求数学知识是一场永无止境的冒险。

有时候，为了得到你想要的东西，你得有点调皮。

The United States should not try to spread democracy around the world.

"The truth is, we are all connected in ways we can't even begin to understand."

Quality is not a cost; it is an investment.

自守表示的研究揭示了数域的隐藏对称性。

It is best to act with confidence, no matter how little right you have to it.

伤疤有一种奇怪的力量，能提醒我们过去是真实的。